. >>> the lax shooting suspect remains sedated and under guard in los angeles. police are piecing together paul ciancia's motive. investigators are revealing a letter he left behind may have mentioned references to the new world order. it also talked about how easy it has to get a gun into the airport. >>> new allegations in the harassment case of a miami dolphins football player. incognito was encouraged to toughen up on his teammate, jonathan martin. dolphins suspended him for misconduct related to alleged bullying. he made a brief statement yesterday. >> just trying to weather the storm right now and this will pass. >> the association says it will conduct an investigation for all involved. >> reporter: amanda knox's ex- boyfriend is on the stand in italy. tina kraus reports that knox who served four years in prison has not returned for this trial. >> reporter: raffaele sollecito made a plea to give him back a real life. he and his ex-girlfriend, american college student amanda knox are facing the third trial for the 2007 murder of british student meredith ker